Kingdom Animalia Linnaeus, 1758 - animals Phylum Echinodermata Bruguière, 1789 - echinoderms Subphylum †Blastozoa Sprinkle, 1973 see Infraphylum Blastozoa Sprinkle, 1973 Class †Diploporita Müller, 1854 Genus †Mesocystis Bather, 1898